Outdoor growing and climate

Pond and Creek Water for Cannabis: Algae, Sediment and Testing

Watering cannabis from a pond or creek? Learn why surface water varies, how algae blooms and sediment cause trouble and when to test it.

Cool a cannabis greenhouse with wet pads and fans or a swamp cooler: how evaporation cools, why dry air helps, sizing basics and upkeep.

Learn when and how to water cannabis in a greenhouse: judging pots by weight, gentle hand watering, drip lines, water quality and temperature.

Pick the right spot to put a greenhouse for cannabis: winter sun, which side of the house, orientation, drainage, wind shelter and utilities.

Compare poly film and polycarbonate for a cannabis greenhouse: light, heat loss, lifespan, condensation, cost and which suits your climate.

Keep insects out of a cannabis greenhouse with fine mesh on vents, a double door entry, weed free borders and extra screen area for airflow.

Clean your greenhouse before planting cannabis: clear debris, wash from the top down, scrub benches, control algae and flush drip lines.

Plan greenhouse benches for potted cannabis: width and height, aisle sizes, space saving layouts, open tops for airflow and the best materials.

Compare greenhouse flooring for cannabis: standard and porous concrete, gravel, weed fabric and mixed layouts for drainage, cleaning and cost.